- /* Work around for rx fifo overflow */
- if (unlikely(status & RxFIFOOver) &&
- (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
- netif_stop_queue(dev);
- rtl8169_tx_timeout(dev);
- goto out;
- }
+ /* We need to see the lastest version of tp->intr_mask to
+ * avoid ignoring an MSI interrupt and having to wait for
+ * another event which may never come.
+ */
+ smp_rmb();
+ if (status & tp->intr_mask & tp->napi_event) {
+ RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
+ tp->intr_mask = ~tp->napi_event;
+
+ if (likely(napi_schedule_prep(&tp->napi)))
+ __napi_schedule(&tp->napi);
+ else if (netif_msg_intr(tp)) {
+ printk(KERN_INFO "%s: interrupt %04x in poll\n",
+ dev->name, status);
+ }
+ }